Standard Schema: スキーマライブラリの統一企画とは何か

TSKaigi 2025 の登壇資料です

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1. Nozomu Ikuta 24th May 2025 Standard Schema: εΩʔϚϥΠϒϥϦͷ౷Ұن֨ͱ͸Կ͔
2. εΩʔϚϥΠϒϥϦ࢖ͬͯ·͔͢
3. • Zod • Valibot • ArkType • etc.
4. ͍͟࢖͏ͱ՝୊΋͋Γ·͢
5. • ϩοΫΠϯ • ΞμϓλɺΞμϓλɺΞμϓλ… • etc.
6. newmo Ͱ͸࢖ͬͯͳ͍Ͱ͢
7. Tierͷߟ͑ํ Tier 1 : ͜ΕΛࣺͯΔ࣌͸ίʔυΛҰ͔Β ॻ͖௚֮͢ޛΛ࣋ͭʮ৺த͢Δʯ૬ख Tier 2 : ࠩ͠ସ͑ʹ͸େ͖ͳ࿑ྗΛඞཁͱ ͢Δʮڧ͘ґଘ͢Δʯ૬ख Tier 3 : ͍ͣΕࠩ͠ସ͑Δ͜ͱΛ૝ఆͨ͠ ʮґଘΛܰ͘͢Δʯ૬ख Communication Design 32 Modular Monolith Monorepo ～ γϯϓϧ͞Λอͪͳ͕ΒmonorepoͷϝϦοτΛ࠷େԽ͢Δ ～ JSConf 2024 ΑΓ
8. ఏڙػೳ͸΄΅ಉ͡
9. • ϥϯλΠϜόϦσʔγϣϯ • όϦσʔγϣϯͷResultܕ • όϦσʔγϣϯΤϥʔͷҰཡ • εΩʔϚͷܕਪ࿦
10. Standard Schema
11. • Zod, Valibot, ArkType ͷ࡞ऀʹΑͬ ͯઃܭ͞Εͨ • StandardSchemaV1 ͱ͍͏୯Ұͷ interface ͓Αͼ namespace ͱͯ͠ ఆٛ͞Ε͍ͯΔ
12. interface StandardSchemaV1<Input = unknown, Output = Input> { readonly '~standard': StandardSchemaV1.Props<Input, Output>; } export declare namespace StandardSchemaV1 { // ϓϩύςΟఆٛ
 } • APIίϯϑϦΫτճආͷͨΊ `~standard` ϓϩύςΟ഑Լʹ͢΂ͯఆٛ͢Δ
13. interface Props<Input = unknown, Output = Input> { readonly version: 1; readonly vendor: string; readonly validate: ( value: unknown ) => Result<Output> | Promise<Result<Output>>; readonly types?: Types<Input, Output> | unde fi ned; } • όϦσʔγϣϯؔ਺ • εΩʔϚͷܕਪ࿦
14. type Result<Output> = SuccessResult<Output> | FailureResult; interface SuccessResult<Output> { readonly value: Output; readonly issues?: unde fi ned; } interface FailureResult { readonly issues: ReadonlyArray<Issue>; } • όϦσʔγϣϯͷResultܕ • Τϥʔ͸issuesͱ͍͏഑ྻͰදݱ͢Δ
15. interface Issue { readonly message: string; readonly path?: ReadonlyArray<PropertyKey | PathSegment> | unde fi ned; } interface PathSegment { readonly key: PropertyKey; } • όϦσʔγϣϯΤϥʔ • ͻͱͭͷΤϥʔ͸ϝοηʔδͱϓϩύςΟΩʔͰදݱ͢Δ
16. interface Types<Input = unknown, Output = Input> { readonly input: Input; readonly output: Output; } type InferInput<Schema extends StandardSchemaV1> = NonNullable< Schema['~standard']['types'] >['input']; type InferOutput<Schema extends StandardSchemaV1> = NonNullable< Schema['~standard']['types'] >['output']; • εΩʔϚͷܕਪ࿦
17. ·ͱΊ
18. • Standard SchemaͰεΩʔϚϥΠϒϥϦͷ૬ޓӡ༻ੑ͕ߴ·Δ • ओཁͳεΩʔϚϥΠϒϥϦ͸͢ͰʹରԠࡁΈ • εΩʔϚϥΠϒϥϦͷࠩผԽ͕೉͘͠ͳΔ͔΋ʢʁʣ
19. ࢀߟจݙ • https://github.com/standard-schema • https://github.com/colinhacks/zod • https://github.com/fabian-hiller/valibot • https://github.com/arktypeio/arktype • https://speakerdeck.com/yuisakamoto/modular-monolith-monorepo- sinpurusawobao-tinagaramonoreponomeritutowozui-da-hua-suru
20. @nozomuikuta • ιϑτ΢ΣΞΤϯδχΞ • Vue.js-JP ڞಉΦʔΨφΠβʔ • UnJS ϝϯόʔ • Shibuya.go ओ࠵